*SUPPORT*
IN: gazzer wif kiki kiki dax tufa dax gazzer OUT: RED GREEN BLUE BLUE YELLOW RED
IN: kiki lug tufa OUT: YELLOW BLUE BLUE BLUE BLUE YELLOW BLUE BLUE
IN: gazzer lug kiki OUT: BLUE RED RED RED RED BLUE RED RED
IN: kiki lug wif OUT: GREEN BLUE BLUE BLUE BLUE GREEN BLUE BLUE
IN: gazzer fep OUT: RED RED
IN: wif OUT: GREEN
IN: gazzer dax kiki OUT: RED BLUE
IN: kiki lug kiki OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: tufa fep dax tufa OUT: YELLOW YELLOW YELLOW
IN: gazzer wif OUT: RED GREEN
IN: gazzer OUT: RED
IN: kiki OUT: BLUE
IN: wif gazzer fep OUT: GREEN RED RED
IN: wif lug wif OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN

*QUERY*
IN: wif fep OUT: GREEN GREEN
IN: tufa tufa fep OUT: YELLOW YELLOW YELLOW
IN: wif fep dax gazzer OUT: GREEN GREEN RED
IN: gazzer lug tufa OUT: YELLOW RED RED RED RED YELLOW RED RED
IN: kiki lug gazzer OUT: RED BLUE BLUE BLUE BLUE RED BLUE BLUE
IN: tufa lug gazzer OUT: RED YELLOW YELLOW YELLOW YELLOW RED YELLOW YELLOW
IN: tufa OUT: YELLOW
IN: tufa lug tufa OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: wif dax wif OUT: GREEN GREEN
IN: kiki fep OUT: BLUE BLUE

*GRAMMAR*
kiki -> BLUE 
 wif -> GREEN 
 gazzer -> RED 
 tufa -> YELLOW 
 u1 fep -> [u1] [u1] 
 x1 dax u1 -> [x1] [u1] 
 u1 lug u2 -> [u2] [u1] [u1] [u1] [u1] [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 